20113353252 has 72 divisors (see below), whose sum is σ = 51236640000. Its totient is φ = 6652519488.

The previous prime is 20113353223. The next prime is 20113353269. The reversal of 20113353252 is 25235331102.

It is a happy number.

20113353252 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 335 + 325 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9112333 + ... + 9114539.

It is an arithmetic number, because the mean of its divisors is an integer number (711620000).

Almost surely, 2^20113353252 is an apocalyptic number.

It is an amenable number.

20113353252 is an abundant number, since it is smaller than the sum of its proper divisors (31123286748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20113353252 is a wasteful number, since it uses less digits than its factorization.

20113353252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4060 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 20113353252 its reverse (25235331102), we get a palindrome (45348684354).

The spelling of 20113353252 in words is "twenty billion, one hundred thirteen million, three hundred fifty-three thousand, two hundred fifty-two".